Adjustable shower hose set

Abstract

The assembly comprises an outer pipe (1), an inner pipe (2) with one end inserted into the outer pipe, and an adjustment assembly fitted onto the outside of the inner pipe; a flexible sleeve (4) fitted onto the outside of the inner pipe and a C-shaped locking element (5) fitted onto the outside of the flexible sleeve are mounted between the inner pipe and the adjustment assembly; the adjustment assembly comprises a fixing element (6) fixed to the outer pipe and an adjustment element (7) movably mounted on the fixing element, the fixing element and the adjustment element moving towards or away from each other, such that the C-shaped locking element and the flexible sleeve contract or expand respectively, so as to clamp, lock, and fix the inner pipe to the outer pipe, or to achieve telescopic adjustment of the inner pipe on the outer pipe respectively. Figure for the abbreviation: Fig 2

Description

Title of the invention: Adjustable shower hose assembly technical field

[0001] The present invention relates to the technical field of the shower hose assembly, and more particularly to an adjustable shower hose assembly. TECHNICAL CONTEXT

[0002] The existing height-adjustable shower hose is designed as follows: a threaded adjusting nut is attached to one end of the outer hose; the lower end of the inner hose is movably inserted into the upper end of the outer hose; and a flexible sleeve is mounted between the adjusting nut and the inner hose body. The flexible sleeve contracts radially inward by rotating and tightening the adjusting nut, thereby pressing, locking, and securing the inner hose to the outer hose. This technical solution is not sufficiently stable to withstand high water pressure. When the water pressure reaches 5 bar, the inner hose detaches from the outer hose and moves upward, compromising the safety of the shower hose and the user's showering experience. DISCLOSURE OF THE INVENTION

[0003] In order to solve the aforementioned technical problems, the present invention aims to provide an adjustable shower hose assembly.

[0004] For this purpose, the present invention adopts another technical solution as follows: an adjustable shower hose assembly, comprising an outer hose, an inner hose and an adjustment assembly; one end of the inner hose is inserted into the outer hose, the adjustment assembly is mounted at one end of the outer hose and fitted onto the outside of the inner hose, a housing space is formed between the inner hose and the adjustment assembly, a flexible sleeve and a C-shaped locking element are mounted in the housing space, the flexible sleeve is fitted onto the outside of the inner hose, the C-shaped locking element is fitted onto the outside of the flexible sleeve;The adjustment assembly includes a fixing element fixedly connected to one end of the outer pipe and an adjustment element movably connected to the fixing element; the fixing element and the adjustment element move in a direction in which they approach each other in order to reduce the housing space, so that the C-shaped locking element and the flexible sleeve contract radially inwards, so as to clamp, lock and fix the inner pipe to the outer pipe; the fixing element and the adjustment element move in opposite directions in order to increase the housing space, so that the C-shaped locking element; and the flexible sleeve expands radially outwards, so as to achieve telescopic adjustment of the inner pipe on the outer pipe.

[0005] Preferably, the shower hose assembly can withstand a water pressure greater than 10 bars.

[0006] Preferably, a first internal conical surface is provided on an internal wall of the fixing element opposite the end of the outer pipe, a second internal conical surface is provided on an internal wall of the adjusting element opposite the end of the fixing element, a first external conical surface and a second external conical surface are provided on external walls of both ends of the C-shaped locking element, the first internal conical surface and the first external conical surface are pressure-fitted to correspond with each other, and the second internal conical surface and the second external conical surface are pressure-fitted to correspond with each other.

[0007] Preferably, a third internal conical surface is provided on an internal wall of the C-shaped locking element opposite the end of the outer pipe, a third external conical surface is provided on an external wall of the flexible sleeve opposite the end of the outer pipe, and the third internal conical surface and the third external conical surface are pressure-fitted into correspondence with each other.

[0008] Preferably, the C-shaped locking element comprises a main clamping part and an end clamping part, the end clamping part is located at one end of the main clamping part opposite the outer pipe, a circumferential outer side wall at one end of the main clamping part opposite the end clamping part forms the first outer conical surface, the end clamping part extends towards the center in the direction opposite to the main clamping part, the outer diameter of the end clamping part decreases in the direction opposite to the main clamping part, a circumferential outer side of the end clamping part forms the second outer conical surface, and the third inner conical surface is formed on the inner wall of the end clamping part near the main clamping part.

[0009] Preferably, the flexible sleeve comprises a sleeve portion and a conical sleeve portion, the conical sleeve portion is located at one end of the sleeve portion opposite the outer pipe, the conical sleeve portion has an outer diameter that gradually decreases in the direction opposite to the sleeve portion, and a circumferential outer side of the conical sleeve portion forms the third outer conical surface.

[0010] Preferably, a plurality of notches are provided along the circumferential direction at the end of the C-shaped locking element opposite the fixing element, a plurality of grooves are provided along the circumferential direction on the outer wall of the C-shaped locking element, and the notches and grooves are arranged in an offset manner.

[0011] Preferably, the flexible sleeve is a flexible rubber sleeve, and the C-shaped locking element is a C-shaped locking element made of POM plastic.

[0012] Preferably, the fixing element is a fixing nut, the adjusting element is an adjusting nut, one end of the outer pipe is provided with an external pipe body thread, two ends of the fixing nut are respectively provided with a fixed internal thread and a fixed external thread, one end of the adjusting nut is provided with an internal adjusting thread, the fixed internal thread is screwed with the external pipe body thread, and the internal adjusting thread is screwed with the fixed external thread.

[0013] Preferably, a sealing groove is provided on the inner wall of the end of the adjusting element opposite the fixing element, and a sealing gasket is mounted in a leak-proof manner between the inner pipe and the sealing groove.

[0014] The present invention has the following beneficial effects:

[0015] (1) the fixing element and the adjusting element move in a direction in which they approach in order to reduce the housing space, so that the C-shaped locking element and the flexible sleeve contract radially inwards, so as to clamp, lock and fix the inner pipe to the outer pipe; the fixing element and the adjusting element move in an opposite direction in order to increase the housing space, so that the C-shaped locking element and the flexible sleeve expand radially outwards, so as to achieve telescopic adjustment of the inner pipe on the outer pipe; this design ensures the stability of the inner pipe on the outer pipe by clamping and holding the flexible sleeve through the C-shaped locking element, and then clamping and holding the inner pipe through the flexible sleeve.Tests have shown that the shower hose assembly can withstand water pressure of over 10 bars, making the inner hose less likely to detach from the outer hose, thus ensuring the safety of the shower hose assembly and the user's shower experience.

[0016] (2) The flexible sleeve is a flexible rubber sleeve, which guarantees the elasticity and sealing effect; and the C-shaped locking element is a C-shaped locking element made of POM plastic, which offers excellent resistance to friction and ensures a long service life.

[0017] (3) A plurality of notches are provided along the circumferential direction At the end of the C-shaped locking element opposite the fastening element, a plurality of grooves are provided along the circumferential direction on the outer wall of the C-shaped locking element, with the notches and grooves arranged in a staggered pattern. This design enhances the elastic and telescopic effect of the C-shaped locking element, thereby increasing the holding force on the flexible sleeve and inner tube and further improving the stability of the assembly. DESCRIPTION OF FIGURES

[0018] Fig. 1 represents a schematic of the general appearance according to one embodiment of the present invention.

[0019] Fig. 2 represents a sectional view and a partial exploded view according to the embodiment of the present invention.

[0020] Figure [Fig.3] represents a structural diagram of the flexible sleeve according to the embodiment of the present invention.

[0021] Fig. 4 represents a structural diagram of the C-shaped locking element according to the embodiment of the present invention.

[0022] Fig. 5 represents a structural diagram of the fastening element according to the embodiment of the present invention.

[0023] Figure 6 represents a structural diagram of the adjustment element according to the embodiment of the present invention.

[0024] Fig. 7 represents a cross-sectional view of the adjustment element according to the embodiment of the present invention.

[0025] References: 1-Outer pipe, 2-Inner pipe, 3-Housing space, 4-Flexible sleeve, 41-Sleeve part, 42-Cone sleeve part, 43-Third outer conical surface, 5-C-shaped locking element, 51-Main clamping part, 52-End clamping part, 53-First outer conical surface, 54-Second outer conical surface, 55-Third inner conical surface, 56-Notch, 57-Groove, 6-Fixing element, 61-First inner conical surface, 7-Adjusting element, 71-Second inner conical surface, 72-Clamping cut surface, 73-Sealing groove, 8-Rubber sealing gasket, 9-Sealing pipe METHODS OF IMPLEMENTATION

[0026] To better illustrate the embodiments, the present invention is accompanied by drawings. These drawings form part of the disclosure of the present invention, are primarily used to illustrate the embodiments, and can be used in conjunction with the description to explain the operating principles. embodiments. By referring to them, a person skilled in the art should be able to understand other possible embodiments and the advantages of the present invention. The components shown in the drawings are not drawn to scale, and symbols for similar components are commonly used to designate similar components.

[0027] In the description of the present invention, unless otherwise indicated, the term "plurality" means two or more; terms such as "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," and "tail" are based on the orientation or position relationships illustrated in the figures and are intended solely to facilitate and simplify the description of the present invention, rather than to indicate or imply that the designated device or element must have a specific orientation, orientation structure, or operation, and therefore cannot be understood as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used only for descriptive purposes; however, they are not intended to indicate or imply relative importance.

[0028] In the description of the present invention, it should be noted that, unless expressly stated or limited, the terms "connection" and "linkage" should be understood in a broad sense, for example, as a fixed link, a removable link, or a rigid link; as a mechanical link or an electrical link; as a direct link or an indirect link using an intermediate part. For a person skilled in the art, the specific meaning of the above terms in the present invention can be understood on a case-by-case basis.

[0029] With reference to [Fig. 1] to 7, an embodiment of the present invention provides an adjustable shower hose assembly, comprising an outer hose 1, an inner hose 2 and an adjustment assembly; one end of the inner hose 2 is inserted into the outer hose 1, the adjustment assembly is mounted at one end of the outer hose 1 and fitted onto the outside of the inner hose 2, a housing space 3 is formed between the inner hose 2 and the adjustment assembly, a flexible sleeve 4 and a C-shaped locking element 5 are mounted in the housing space 3, the flexible sleeve 4 is fitted onto the outside of the inner hose 2, the C-shaped locking element 5 is fitted onto the outside of the flexible sleeve 4;The adjustment assembly includes a fixing element 6 fixedly connected to one end of the outer pipe 1 and an adjustment element 7 movably connected to the fixing element 6, the fixing element 6 and the adjustment element 7 move in a direction in which they approach each other in order to reduce the housing space 3, so that the C-shaped locking element 5 and the flexible sleeve 4 contract radially inwards, so as to tighten, to lock; and to fix the inner pipe 2 to the outer pipe 1; the fixing element 6 and the adjusting element 7 move in opposite directions to increase the housing space 3, so that the C-shaped locking element 5 and the flexible sleeve 4 expand radially outwards, thus achieving telescopic adjustment of the inner pipe 2 on the outer pipe 1. The technical solution ensures the stability of the inner pipe 2 on the outer pipe 1 by tightening and holding the flexible sleeve 4 through the C-shaped locking element 5, and then by tightening and holding the inner pipe 2 through the flexible sleeve 4. Tests have shown that the shower hose assembly can withstand a water pressure of over 10 bar, making the inner pipe 2 less likely to detach from the outer pipe 1, thus ensuring the safety of the shower hose assembly and the user's shower experience.

[0030] In this embodiment, the outer pipe 1 is a shower inlet pipe, the inner pipe 2 is a height-adjustable shower outlet pipe inserted at the top of the shower inlet pipe, and a shower head is provided at the top of the shower outlet pipe to allow the user to shower. Of course, in other embodiments, the inner pipe may also be telescopic and horizontally adjustable inside the outer pipe, without limitation in this document.

[0031] In this embodiment, a first internal conical surface 61 is provided on an internal wall of the fastening element 6 opposite the end of the outer pipe 1, a second internal conical surface 71 is provided on an internal wall of the adjusting element 7 opposite the end of the fastening element 6, a first external conical surface 53 and a second external conical surface 54 are provided on external walls of both ends of the C-shaped locking element 5, the first internal conical surface 61 and the first external conical surface 53 are fitted by extrusion to correspond with each other, and the second internal conical surface 71 and the second external conical surface 54 are fitted by extrusion to correspond with each other, thus, when the fastening element 6 and the adjusting element 7 move in a direction in which they approach each other,the first inner conical surface 61 and the second inner conical surface 71 gradually approach each other, so that the housing space 3 is gradually reduced, and through the first inner conical surface 61 and the second inner conical surface 71, respectively, the first outer conical surface 53 and the second outer conical surface 54 are pressed and contracted, so that the two ends of the C-shaped locking element 5 can be further radially contracted inwards, so as to press and hold the flexible sleeve, 4, thus allowing the flexible sleeve 4 to contract radially inwards in order to hold the inner pipe 2 on the outer pipe 1, which further improves the stability effect; in addition, the C-shaped locking element 5 can be limited in its axial direction, which further improves the stability of the assembly and the sealing effect.

[0032] In the present embodiment, a third internal conical surface 55 is provided on an internal wall of the C-shaped locking element 5 opposite the end of the outer pipe 1, a third external conical surface 43 is provided on an external wall of the flexible sleeve 4 opposite the end of the outer pipe 1, and the third internal conical surface 55 and the third external conical surface 43 are fitted by extrusion into correspondence with each other, so that the end of the flexible sleeve 4 opposite the outer pipe 1 is able to be contracted radially inwards to a greater degree, so as to hold the inner pipe 2 on the outer pipe 1, which further improves the stability effect and ensures the sealing effect.

[0033] In this embodiment, the C-shaped locking element 5 comprises a main clamping portion 51 and an end clamping portion 52. The end clamping portion 52 is located at one end of the main clamping portion 51 opposite the outer pipe 1. A circumferential outer side wall at one end of the main clamping portion 51 opposite the end clamping portion 52 forms the first outer conical surface 53. The end clamping portion 52 extends towards the center in the direction opposite to the main clamping portion 51. The outer diameter of the end clamping portion 52 decreases in the direction opposite to the main clamping portion 51. A circumferential outer side of the end clamping portion 52 forms the second outer conical surface 54.and the third internal conical surface 55 is formed on the inner wall of the end clamping portion 52 near the main clamping portion 51; the flexible sleeve 4 comprises a sleeve portion 41 and a conical sleeve portion 42, the conical sleeve portion 42 is located at one end of the sleeve portion 41 opposite the outer pipe 1, the conical sleeve portion 42 has an outer diameter that gradually decreases in the direction opposite to the sleeve portion 41, and a circumferential outer side of the conical sleeve portion 42 forms the third external conical surface 43. In other words, the conical sleeve portion 42 has the same internal diameter as the sleeve portion 41 and corresponds to the outer diameter of the inner pipe 2, the maximum outer diameter of the conical sleeve portion 42 is the same as that of the sleeve portion 41,the circumferential outer wall of the sleeve part 41 is tightly pressed to fit the , the circumferential inner wall of the main clamping part 51, and the circumferential outer wall of the sleeve part 41 are tightly pressed to fit the circumferential inner wall of the main clamping part 51, which further ensures the stability of the assembly and the sealing effect.

[0034] In this embodiment, a plurality of notches 56 are provided along the circumferential direction at the end of the C-shaped locking element 5 opposite the fastening element 6, and a plurality of grooves 57 are provided along the circumferential direction on the outer wall of the C-shaped locking element 5. The notches 56 and grooves 57 are rectangular in shape, their lengthwise direction is parallel to the axial direction of the C-shaped locking element 5, and they are staggered. This design enhances the elastic and telescopic effect of the C-shaped locking element 5, thereby increasing the holding force on the flexible sleeve 4 and the inner tube 2 and further improving the stability of the assembly.

[0035] In the present embodiment, the flexible sleeve 4 is a flexible sleeve 4 made of rubber, which ensures elasticity and the sealing effect; and the C-shaped locking element 5 is a C-shaped locking element 5 made of POM plastic, which gives the C-shaped locking element 5 excellent resistance to friction and ensures a long service life.

[0036] In this embodiment, the fastening element 6 is a fastening nut, the adjusting element 7 is an adjusting nut, one end of the outer pipe 1 is provided with an external thread of the pipe body, two ends of the fastening nut are respectively provided with a fixed internal thread and a fixed external thread, one end of the adjusting nut is provided with an internal adjusting thread, the fixed internal thread is screwed into the external thread of the pipe body, and the internal adjusting thread is screwed into the fixed external thread. The fastening of the inner pipe 2 is achieved by controlling the movement towards each other and tightening between the fastening nut and the adjusting nut by means of a threaded connection, and the telescopic adjustment of the inner pipe 2 is achieved by moving it in the opposite direction and loosening it, thus making the operation easier and more convenient.

[0037] In this embodiment, a sealing groove 73 is provided on the inner wall of the end of the adjusting element 7 opposite the fixing element 6, and a sealing gasket is mounted in a watertight manner between the inner pipe 2 and the sealing groove 73. The sealing gasket is a rubber sealing gasket 8, which further guarantees the sealing effect and prevents water leaks.

[0038] In the present embodiment, parallel clamping cutting surfaces 72 are provided on opposite sides of the outer wall of the end of the adjusting element 7 opposite the fixing element 6, respectively, for clamping with a key, so as to achieve a rotation.

[0039] In the present embodiment, the shower pipe assembly further includes a sealing pipe 9, the outer wall of one end of the sealing pipe 9 is sealed and fitted to the inner wall of the outer pipe 1 by means of the sealing joint, the outer wall of the other end of the sealing pipe 9 is sealed and fitted to the inner wall of the inner pipe 2 by means of the sealing joint, and the inner pipe 2 and the outer pipe 1 are connected by means of the sealing pipe 9, which further improves the sealing effect as well as the stability of the assembly between the outer pipe 1 and the inner pipe 2.

[0040] Although the present invention is specifically demonstrated and presented in combination with the preferred embodiment, for the person skilled in the art, it is understood that, without departing from the spirit and scope of the present invention as defined in the appended claims, various modifications to the present invention in its form and details are included within the scope of protection of the present invention.

Claims

Demands

1. Adjustable shower hose assembly, characterized in that it comprises an outer hose (1), an inner hose (2) and an adjustment assembly; one end of the inner hose (2) is inserted into the outer hose (1), the adjustment assembly is mounted at one end of the outer hose (1) and fitted onto the outside of the inner hose (2), a housing space (3) is formed between the inner hose (2) and the adjustment assembly, a flexible sleeve (4) and a C-shaped locking element (5) are mounted in the housing space (3), the flexible sleeve (4) is fitted onto the outside of the inner hose (2), the C-shaped locking element (5) is fitted onto the outside of the flexible sleeve (4);The adjustment assembly comprises a fixing element (6) fixedly connected to one end of the outer pipe (1) and an adjustment element (7) movably connected to the fixing element (6). The fixing element (6) and the adjustment element (7) move in a direction in which they approach each other in order to reduce the housing space (3), so that the C-shaped locking element (5) and the flexible sleeve (4) contract radially inwards, so as to clamp, lock and fix the inner pipe (2) to the outer pipe (1). The fixing element (6) and the adjustment element (7) move in the opposite direction in order to increase the housing space (3), so that the C-shaped locking element (5) and the flexible sleeve (4) expand radially outwards, so as to achieve telescopic adjustment of the inner pipe (2) on the outer pipe (1).

2. Adjustable shower hose assembly according to claim 1, characterized in that the shower hose assembly can withstand a water pressure greater than 10 bars.

3. Adjustable shower hose assembly according to claim 1, characterized in that, a first internal conical surface (61) is provided on an internal wall of the fixing element (6) opposite the end of the external hose (1), a second internal conical surface (71) is provided on an internal wall of the adjustment element (7) opposite the end of the fixing element (6), a first external conical surface (53) and a second external conical surface (54) are provided on external walls of the two ends of the C-shaped locking element (5), the first inner conical surface (61) and the first outer conical surface (53) are pressure-fitted into correspondence with each other, and the second inner conical surface (71) and the second outer conical surface (54) are pressure-fitted into correspondence with each other.

4. Adjustable shower hose assembly according to claim 3, characterized in that, a third internal conical surface (55) is provided on an internal wall of the C-shaped locking element (5) opposite the end of the outer hose (1), a third external conical surface (43) is provided on an external wall of the flexible sleeve (4) opposite the end of the outer hose (1), and the third internal conical surface (55) and the third external conical surface (43) are pressure-adjusted into correspondence with each other.

5. Adjustable shower hose assembly according to claim 4, characterized in that, the C-shaped locking element (5) comprises a main clamping portion (51) and an end clamping portion (52), the end clamping portion (52) is located at one end of the main clamping portion (51) opposite the outer hose (1), a circumferential outer side wall at one end of the main clamping portion (51) opposite the end clamping portion (52) forms the first outer conical surface (53), the end clamping portion (52) extends towards the center in the direction opposite to the main clamping portion (51), the outer diameter of the end clamping portion (52) decreases in the direction opposite to the main clamping portion (51), a circumferential outer side of the end clamping portion (52) forms the second outer conical surface (54),and the third internal conical surface (55) is formed on the inner wall of the end clamping portion (52) near the main clamping portion (51).

6. Adjustable shower hose assembly according to claim 4, characterized in that the flexible sleeve (4) comprises a sleeve portion (41) and a conical sleeve portion (42), the conical sleeve portion (42) being located at one end of the sleeve portion (41) opposite the outer hose (1), the part conical sleeve (42) has an outer diameter which gradually decreases in the opposite direction to the sleeve part (41), and a circumferential outer side of the conical sleeve part (42) forms the third outer conical surface (43).

7. Adjustable shower hose assembly according to claim 1, characterized in that, a plurality of notches (56) are provided along the circumferential direction at the end of the C-shaped locking element (5) opposite the fixing element (6), a plurality of grooves (57) are provided along the circumferential direction on the outer wall of the C-shaped locking element (5), and the notches (56) and grooves (57) are arranged in an offset manner.

8. Adjustable shower hose assembly according to claim 1, characterized in that the flexible sleeve (4) is a flexible rubber sleeve, and the C-shaped locking element (5) is a C-shaped locking element made of POM plastic.

9. Adjustable shower hose assembly according to claim 1, characterized in that, the fixing element (6) is a fixing nut, the adjusting element (7) is an adjusting nut, one end of the outer hose (1) is provided with an external hose body thread, two ends of the fixing nut are respectively provided with a fixed internal thread and a fixed external thread, one end of the adjusting nut is provided with an internal adjusting thread, the fixed internal thread is screwed with the external hose body thread, and the internal adjusting thread is screwed with the fixed external thread.

10. Adjustable shower hose assembly according to any one of claims 1 to 9, characterized in that a sealing groove (73) is provided on the inner wall of the end of the adjustment element (7) opposite the fixing element (6), and a sealing gasket (8) is mounted in a watertight manner between the inner hose (2) and the sealing groove (73).

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